ClassID:

135850

E21C31/12 - CPC Classification

Classification description:

Driving means incorporated in machines for slitting or completely freeing the mineral from the seam Component parts

Recent Application in this class:
#1
20230142261
2023-05-11

ELECTRIC TERMINAL ASSEMBLY OF A DRIVE UNIT FOR USE IN A MINING MACHINE

#2
20220364638
2022-11-17

Liquid-tight drive connection for engine and transmission coupling

#3
20210237979
2021-08-05

Chain conveyor

#4
20210102463
2021-04-08

Mining machine with articulating boom and independent material handling system

#5
20200354150
2020-11-12

Chain conveyor and link for same

#6
20200115164
2020-04-16

Chain conveyor and coupler link for same

#7
20200011174
2020-01-09

Vertical lifting type drum coal-mining machine without rocker arm

#8
20200010277
2020-01-09

Chain conveyor

#9
20190360371
2019-11-28

Industrial machine including a fluid sensor and method of operating the same

#10
20180251316
2018-09-06

Drive shaft and sprockets for chain conveyor

#11
20180251313
2018-09-06

Chain conveyor link

#12
20180251312
2018-09-06

Chain conveyor

#13
20180251311
2018-09-06

Chain conveyor and link for same

#14
20180251310
2018-09-06

Chain conveyor and coupler link for same

#15
20180223659
2018-08-09

Stabilization system for a mining machine

#16
20180187771
2018-07-05

LUBRICATION SYSTEM FOR A GEARBOX OF A TRANSMISSION SYSTEM

#17
20180171794
2018-06-21

Implement system for machine and operating method therefor

#18
20180051562
2018-02-22

Mining machine with articulating boom and independent material handling system

#19
20170292649
2017-10-12

Method for cooling and/or heating lubricant in an exchangeable milling drum box of a ground milling machine, exchangeable milling drum box, and ground milling machine

#20
20160118828
2016-04-28

System and method for transferring energy between vehicles

#21
20160114678
2016-04-28

System and method for material transfer and transport

#22
20160097276
2016-04-07

Continuous mining machine having core cutting assembly

#23
20150167462
2015-06-18

Stabilization system for a mining machine

#24
20150145316
2015-05-28

SMALL-RESISTANCE HIGH-EFFICIENCY MINING DEVICE WITH MULTIPLE LAYERS OF PERCUSSION HEADS

#25
20130033090
2013-02-07

Automated stop and shutdown operation of a mining machine

#26
20130033089
2013-02-07

Material handling system for mining machine

#27
20130033088
2013-02-07

Automated pre-tramming operation of a mining machine

#28
20130033087
2013-02-07

Automated cutting operation of a mining machine

#29
20130033086
2013-02-07

Automated find-face operation of a mining machine

#30
20130033085
2013-02-07

Stabilization system for a mining machine

#31
20110309669
2011-12-22

Cooling a ranging arm gear case on a longwall shearer

#32
20100301660
2010-12-02

Cooling a ranging arm gear case on a longwall shearer